Shopping for a 2006 Toyota Tundra master cylinder? The Dorman First Stop Brake Master Cylinder M630646 turns the force from your brake pedal into hydraulic pressure for the brake lines. It is a direct-fit replacement for the 2004-2006 Toyota Tundra with all engines, one per vehicle. Dorman precision-engineered it to mirror the original master cylinder's design, function and performance on the listed applications, using new, high-quality materials.
- Precise replacement: The cylinder housing is constructed to match the original part's casting material for similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Made entirely from new materials.
- Strict specifications: Made to meet rigorous SAE International standards.
Key specifications: The master cylinder material is aluminum. It has a 0.75 in bore diameter, two outlets, M10 x 1.0 rearward and secondary outlet threads, and a 1 mm primary outlet thread pitch. The reservoir and sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. Country of origin: China.
A master cylinder may need replacing if you notice a soft or sinking brake pedal, brake fluid seeping from the unit, or a brake warning light. These signs can have other causes, so diagnose the brake system before replacing parts. If the master cylinder is at fault, this unit replaces it. Bleed the hydraulic system after installation per the vehicle service procedure.
Interchange: 100-4201 · 11-2929 · 130.44735 · 355-76138
NM55666 · MC391073 · 472070C010 · F142721 · F144045 · MC142721 · MC144045 · 1004201 · 112929 · 13044735 · 35576138
This part cross-references / interchanges with the following part numbers:
100-4201, 11-2929, 130.44735, 355-76138, NM55666, MC391073, 472070C010, F142721, F144045, MC142721, MC144045
